All the fonts (bar those used in the main rendering window) have oversized (suspect 120dpi). Build ID: 2000051020 To repeat: It's immediately apparent as soon as you start the browser!

the fix is in, and indicated in bug 38868 In brief, go to the installdir package/chrome/global/locale/ Edit the file intl.css to state 3mm instead of current 5mm in this line: font: 5mm tahoma,arial,helvetica,sans-serif; Restart Mozilla and all is back to normal. *** This bug has been marked as a duplicate of 38868 ***

vrfy